Manual Column Rebuild

The dealer told me that only 72 and 73 are the same he also said no bearing in these plastic bushing only can go on what Im told cuz I dont know
If it was a bearing Where did it go?That collar you see is plastic I suppose If I could get a bearing up the shaft it will work probably that is the difference they went from a bushing to a bearing.I asked the dealer the same question about the bushing he just said it wore through and fell out.How do you get the coupler off the end,Cant buy a steering box here so I found a place in london to rebuild mine he told me it is wore out as it gets